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Private data sharing system

  • US 9,015,281 B2
  • Filed: 10/11/2011
  • Issued: 04/21/2015
  • Est. Priority Date: 10/08/2010
  • Status: Active Grant
First Claim
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1. A method by a data sharing system (DSS) server, which is operably connected to a data distribution network (DDN) that includes a first client of a first user, a second client of a second user and a third client of a third user, of facilitating the private sharing of data between the first, second and third client, the method comprising:

  • receiving, by the DSS server, via the DDN a data packet obfuscated with a first key (first ODP) from the first client;

    transmitting via the DDN the first ODP, or a copy thereof, to the second client;

    transmitting via the DDN the first ODP, or a copy thereof, to the third client;

    receiving, by the DSS server, via the DDN a data packet obfuscated with a second key (second ODP) from the second client;

    transmitting via the DDN the second ODP, or a copy thereof, to the first client;

    transmitting via the DDN the second ODP, or a copy thereof, to the third client;

    receiving, by the DSS server, via the DDN a data packet obfuscated with a third key (third ODP) from the third client;

    transmitting via the DDN the third ODP, or a copy thereof, to the first client;

    transmitting via the DDN the third ODP, or a copy thereof, to the second client;

    the DSS server lacking the “

    value, method and/or program or portion of a program”

    (VMP) needed to de-obfuscate the first ODP;

    the DSS server lacking the VMP needed to de-obfuscate the second ODP;

    the DSS server lacking the VMP needed to de-obfuscate the third ODP;

    storing the first ODP or a copy thereof;

    storing the second ODP or a copy thereof; and

    storing the third ODP or a copy thereof.

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